baber/WOPTO huggingface dataset:
Patent GB-723125-A (GB)
Title: Improvements in apparatus for testing high frequency electric circuits
Inventor: BAMBER GORDON
IPC: H04B3/46
Filed: 1953-01-07
Abstract: 723,125. Electrical pulse-echo testing systems. BRITISH INSULATED CALLENDER'S CABLES, Ltd. Jan. 7, 1953 [Jan. 8, 1952], No. 600/52. Class 40 (7). Relates to pulse-echo apparatus for detecting impedance discontinuities in transmission lines in which the line under test is coupled via a connecter cable 10, Fig. 4 (not shown), to a pulse generator 1 and to the grid of an amplifier 12 whose output is applied to an indicator 21 via a further high-gain amplifier 20, a balancing network having similar impedance characteristics to the line under test being coupled via a connecter cable 13 (of equal length to cable 10) to the pulse generator and to the cathode of amplifier 12 so that the direct pulse is substantially balanced out in amplifier 12 to avoid overloading amplifier 20, the echo pulses only being displayed on the indicator. According to the present invention the balancing network is coupled to the cathode of amplifier 12 via a cathode follower 15 and the pulse generator 1 is coupled to the line under test and to the balancing network via cathode followers 4 and 5 or via separate impedances, Fig. 2 (not shown) one of said impedances on the bias on one of said cathode followers (5, as shown) being adjustable to facilitate the balancing. In a modification, Fig. 3 (not shown), the separate valves 12 and 15 are replaced by a double triode. When setting up the apparatus, the gain of amplifier 20 is reduced and the direct pulse balanced out by adjusting the impedance of the balancing network; if this network is calibrated this adjustment gives the approximate impedance of the line under test. The gain of amplifier 20 is then increased and any residual pulse is balanced out by adjusting the cathode follower resistance 9 and possibly the balancing network. The resistance 9 and the network may be adjusted in a similar manner to prevent amplifier 20 being overloaded by a large amplitude echo.
Patent GB-1240084-A (GB)
Title: Process for production of oxaziridines not substituted on the nitrogen
Inventor: SCHMITZ ERNST
IPC: C07D273/00
Filed: 1969-12-19
Abstract: 1,240,084. Oxaziridines. LEUNA-WERKE "WALTER ULBRICHT" VEB. 19 Dec., 1969, No. 62063/69. Heading C2C. Oxaziridines of general formula in which R and R<SP>1</SP> are alkyl groups or together with the carbon atom to which they are attached form a cycloaliphatic ring are produced by reacting a ketone of formula RCOR<SP>1</SP> and an aqueous ammonia solution with a hypochlorite solution in the presence of an organic solvent, not miscible with water, at a temperature between -10‹ and 50‹ C. The preferred hypochlorites are sodium, potassium and calcium hypochlorites and they may be used in neutral or alkaline solution. Suitable starting ketones are cycloheptanone, acetone, butanone-2, pentanone-3 and in particular cyclohexanone.
Patent GB-652381-A (GB)
Abstract: 652,381. Variable-pitch propellers. RATIE, R. J., and RATIE, P. P. Oct. 30, 1947, No. 29021. Convention date, Nov. 22, 1946. Drawings to Specification. [Class 114] The blades are made to vary pitch automatically by being bent out of the radial axis of the blade root bearing, the angle between the radial axis and the line through the. centroids of the transverse blade sections having a tangent of about 0.15. The blade roots have counterweights attached to them.
Patent GB-718286-A (GB)
Abstract: 718,286. Indicating-apparatus. ENGLISH 'ELECTRIC CO., Ltd. Oct..17, 1952 [Oct. 17, 1951], No. 24194/51. Class 106 (4)..[Also in Group XXXVI] An electrical measuring or indicating device including a rigid structure (e.g. a permanent magnet stator) which incorporates a moving element (eg. a rotating coil) is characterized in that said structure is secured within a housing by resilient means acting upon the sides of the said structure and by further resilient means acting upon the end faces of the said structure. In the embodiment shown, a round casing 10 contains a magnet stator 13-15 resting on a disc 11 and surrounded by a corrugated spring collar 12. The disc 11 'has an inner ridge 11b so that the collar 12 fits around and the magnet stator 15 within the ridge 11b. The assembly is completed by a cover plate 16 provided with spring arms 16b, 16c and spring tongues 17-21 and a hole 16a. The cover plate is put on with hole 16a over casing lug 10e and then is slid forwards until spring arms 16b, 16c engage under casing lugs 10c. 10d and part 16d adjacent hole 16a fits into 1ug 10e. During this sliding movement the cover plate 16 is pressed downwards to stress spring tongues 17-21 so that finally 17 engages the bar magnet 13 and 18-21 engage pole pieces 14, 15. The space between the bar magnet 13 and pole pieces 14, -15 is occupied by two lugs 10f (only one is shown) rising from the base of casing 10 whereby in the event of shock movement the magnet 13 is returned by spring collar 12 to its original position against lugs 10f. The housing itself may be rendered resilient by providing suitable slits in its walls which then grip the rigid structure.
Patent GB-750368-A (GB)
Abstract: 750,368. Loose leaf binders. CAKEBREAD, Ltd., C. Dec. 3, 1954 [Dec. 7, 1953], No. 34001/53. Class 146(1) A loose leaf binder comprises a back part 1, front and rear cover portions 2, 4 and 3, 5 flexibly connected with the back part 1 and a removable binding bar 20 having mounted thereon at least two rods 22, 23 which are adapted to be passed through holes in leaves in the binder, the binding bar 20 also comprising one or more locating elements, 36-38, which are adapted to engage the back of the binder to locate the binder at an intermediate position along the binding bar between the rods 22, 23 when the bar 20 is supported on a flat surface with the rods extending upwardly and the back part of the binder extends over the bar 20 so that the cover portions 4, 5 are supported in partly opened positions by the rods 22, 23. The back 1 is riveted to leaves 16, 17 of hinges 9, 10, which abut so as to strengthen the back, and cover supporting members 2, 3 are riveted to overlapping leaves of the hinges 9, 10 and of hinges 8, 18, the other leaves of which are riveted to the main covers 4, 5. The hinges 8, 18 are one-way hinges only to prevent undesired outward movement of the members 2, 3. The locking bar 20 comprises a flat strip of metal 21 with rods 22, 23 having notches 26, 27, the rods 22, 23 passing through holes 24, 25 in the back member 3, through holes in the leaves and holes 28, 29 in a tubular member 30 mounted on the front member 2 and having catch parts 31, 32 to engage the notches 26, 27. The catches 31, 32 are formed by the edges of slots on a metal strip 61 sliding in the tubular member 30 and biased by a spring in the direction of arrow c to engage the notches 26, 27, the end 65 being bent over to form a trigger for releasing the catches. Movement of the strip 61 in both directions is limited by slots therein engaging the rivets securing the member 30 to the front member 2. Locating studs 35-38 are secured on the binding bar 20 and engage positioning holes 45-48 in the rear member 3. Springs 33, 34 are secured under the studs 36, 38 so that when the catches 31, 32 are released, the bar 20 is pressed outwardly from the member 3 for easy removal. The bar 20 is then placed as in Fig. 5 with the binder back engaging between the studs 36 and 38. As shown, the back 1 is recessed at 68 to engage over the bar 20 with the stud 37 engaging a hole 69, the back 1 is resting also on the flat surface. In a further arrangement (not shown) the back 1 is not recessed but is provided with a rubber stud or studs to prevent rocking. To position the leaves, the inside of the back 1 is provided entrally with a rib 15 for engagement by a central slot in the leaves, but for leaves with no slot, ribs at each end may be provided to engage the top and bottom of the leaves. A compressor bar 50 may be provided to retain the leaves in a compact form, the bar having slots 51, 52 each with a spring clip 53, 54 secured by rivets 55, 56, to engage the rear leaf 41, the leaves being pressed against the tubular member 30 and metal bars 40, 40'. The trigger 65 may be arranged to be locked for security purposes.
Patent GB-2000502-A (GB)
Title: Process for the production of M-Benzoyl Hydratropic Acid
IPC: C07D307/83
Filed: 1978-06-15
Abstract: A process for the production of m-benzoyl hydratropic acid by heating 2-methyl-3-(5-phenyl-5-keto-pentyl)- maleic anhydride at a temperature of about 200 DEG  to about 240 DEG C in an acid environment. Said environment can be provided by the aqueous solution of a strong inorganic acid, such as HC1, or by the chlorohydrate of a heterocyclic base, such as pyridine hydrochloride.
Patent GB-2029458-A (GB)
Title: Process for colouring water- swellable cellulosic materials
IPC: D06P3/85
Filed: 1978-07-10
Abstract: Water swellable cellulosic materials or blends thereof with synthetic materials are coloured (dyed or printed) by swelling the cellulosic material with water and applying a solution of the dye in a dye solvent to the swollen material and removing the solvent to precipitate the dye in the cellulosic material. The dye is chosen to have a hydrolysis- resist index of at least 0.95. The hydrolysis resist index is measured by a test procedure and differentiates between dyes that contain hydrolyzable groups that are suitable for the process and those with such groups that are not suitable.
Patent GB-2006154-A (GB)
Title: A device for loading pallets
IPC: B65G65/00
Filed: 1978-09-07
Abstract: A device for automatically loading pallets with piece goods of the same kind; in particular with kegs, is characterised in that a pallet (6) to be loaded is disposed under a feeding roller conveyor (2) and is movable in synchronisation with an electrically operated and programmable sliding device (1) and in that the piece good are fed onto the feeding roller conveyor (2) and the pallet (6) in accordance with an adjustable selection programme using timing circuits with the aid of an electropneumatic or electrohydraulic piece goods gate (3) to obtain selected pallet load patterns. <IMAGE>
Patent GB-2031750-A (GB)
Title: Liquid/liquid contactors
IPC: B01F3/08
Filed: 1978-10-19
Abstract: A contactor for effecting continuous contacting of two liquid streams, which may contain solids, comprises a drum within which rotates a rotor, discs rotating with the rotor and separating the drum into compartments, buckets in at least some of the compartments to create phase intermingling and at least one port intermediate the ends of the drum for introduction or withdrawal of material to or from the contactor. At least the cylindrical portion of the drum can be adjusted to bring at least one port into register with the phase interface.
Patent GB-2011377-A (GB)
Title: Process and Apparatus for Bending Glass
IPC: C03B27/004
Filed: 1978-12-15
Abstract: An untempered sheet of glass is given a predetermined curvature by means of preheated forming dies (3, 4 in Fig. 1). The glass sheet (1) is not preheated or is heated only to a relatively low temperature prior to being inserted between the dies. Heat transfer from the dies to the glass prior to closure of the dies produces or assists in producing in the thickness of the glass sheet a transitory thermal stress gradient which gives resistance to breakage under bending forces. The absence of high temperature preheating of the sheet is conducive to a more predictable stress distribution pattern over the area of the sheet prior to bending. The process enables predetermined sheet curvatures to be achieved with higher degrees of accuracy. <IMAGE>
Patent GB-2013486-A (GB)
Title: Adjustable Back Rests of Chairs
IPC: A47C1/026
Filed: 1979-01-26
Abstract: The back rest mounting comprises a back rest support pillar (5) slidable for height adjustment in a U-shaped carrier (6) connected by a pivot (10) to a seat support (3) to allow rake adjustment. The carrier straddles below the pivot (10) edges of a tongue (11) anchored by a pivot (14) at its forward end to the seat support (3) in front of the carrier. A single clamp comprises a bolt (17) and hand wheel nut (18) which tightens the carrier (6) against the pillar (5) and the tongue (11) so as to clamp both adjustments. The clamp acts on the carrier between the places at which the carrier engages the pillar and tongue. <IMAGE>
Patent GB-2016830-A (GB)
Title: Device for starting induction motors and providing overload protection therefor
IPC: H02P1/42
Filed: 1979-03-16
Abstract: A starting and overload protection device for an electric induction motor utilises a posistor (6) as an automatic switch for cutting off the flow of current to an auxiliary winding (13) after a short interval of time from initial switch-on thus diverting the main line current to the motor to the main stator winding (14), and a dished disc temperature operated switch (2) which is mounted centrally to allow the disc to spring from a convex to a concave configuration. A resistor carrying the line current motor produces localised heating in the region of the disc switch (2) and causes the disc switch (2) to flip and break the circuit in the event that the line current to the motor exceeds a design value for a given period of time. The posistor (6) and the temperature operated switch (2) are mounted within a single housing, Fig. 1 (not shown), adapted to be connected to the electricity supply main via terminals (3, 4) and having pins extending from the rear of the housing to allow it to be plugged into a socket (not shown) mounted directly on a motor-compressor unit. <IMAGE>
Patent GB-2020533-A (GB)
Title: Modified liquid smoke compositions and food casings prepared therefrom
IPC: A23L27/27
Filed: 1979-05-08
Abstract: Liquid smoke compositions comprise a mixture of smoke colouring and flavouring constituents, and an amount of a water soluble solubilizing agent sufficient to prevent said smoke constituents from separating out. The solubilizing agent may be ethanol, glycerine, propylene glycol or triethylene glycol. The liquid composition has at least 15% by weight of the smoke constituents. The compositions may be used for coating tubular food casings over a surface thereof, the casings being suitable for imparting smoke flavour and colour to food products processed therein.
Patent GB-2022896-A (GB)
Title: Preprocessing a speech signal for a speech recognition device
IPC: G10L21/02
Filed: 1979-05-11
Abstract: Signal-to-noise is enhanced by including the upper sideband of a sampled-speech signal with the original baseband signal for further signal processing. The invention features shifting both bands to form a continuum from 0 Hz to the sampling frequency. Application in a speech recognition is shown.
Patent GB-2050719-A (GB)
Title: Surge arrester
IPC: H01C7/12
Filed: 1979-05-25
Abstract: An electrical surge arrester comprises a porcelain insulator housing (1) having a bore (15) formed with integral spacer ribs (16) which extend helically of the bore axis. Within the bore (15) there is mounted a voltage dependent resistor arrangement comprising, for example, a series array of spark gaps and voltage dependent resistor elements. A pressure relief diaphragm (22) is provided at one end of the bore (15) and is arranged to rupture on fingers (23) in the event of an overpressure occurring within the bore. A gas flow deflector (not shown) is arranged to deflect gas venting from the bore when the diaphragm (22) ruptures down along the length of the insulator housing (1). An end cap (20) supports the diaphragm (22) and the fingers (23) by virtue of having portions (26) turned over a shoulder (21) formed on the insulator housing (1), and also provides support for a terminal post (25). <IMAGE>
Patent GB-2025521-A (GB)
Title: Controlling I.C. engine fuel metering
IPC: F02M69/22
Filed: 1979-06-27
Abstract: An air flow measuring flap 5 pivots against the influence of a return spring 8 tending to close the flap, on a pivot pin 6, the flap responding to the pressures upstream and downstream of it and controlling a metering fuel distributor 20. The chamber 3 subject through an orifice 10 to the suction between the flap 5 and the throttle valve 1 is controllably vented to the external atmosphere through a venting channel 24 containing a valve head 12 whose movements are controlled by an adjustably biased diaphragm 27 which separates a first chamber 25 which communicates with the air induction passage 2 upstream of the pivoted flap, from a second chamber 26 which communicates with the air induction passage downstream of the pivoted flap. The spring 28 abuts a coolant temperature responsive element 29 and an engine condition responsive electromagnet 30 acts on the diaphragm 27. <IMAGE>
Patent GB-2028621-A (GB)
Title: Flushing basin for aquatic animal or vegetal organisms
IPC: A01K63/04
Filed: 1979-08-08
Abstract: A flushing basin for testacea or crustacea has a bottom (1) and side walls (2, 2', 3,3',). One wail (3) has slotted gratings (4) across the full width of the wall and forming an outlet to a closed collecting chamber (5) from which water leaves by rising pipes (7) the top ends of which act as weirs. The opposite wall (3') also has a slotted grating (9) across its full width forming the basin inlet, and communicating with a reservoir (10) having a fresh water supply pipe (11) and aeration pipe (12). The basin has partially- submerged standing partitions (13). Organisms in the basin are effectively flushed but nevertheless can be readily removed from the basin. <IMAGE>
Patent GB-2031379-A (GB)
Title: Dispenser for Beverages
IPC: B67D3/02
Filed: 1979-09-12
Abstract: A dispenser for beverages comprises a portioning device (7) having a measuring vessel (20) which is adapted to be alternatively connected by a dual shut-off valve to an inlet and an outlet of the portioning device, and a supply vessel (11), which is connected to the inlet of the portioning device (7) and adapted to hold a beverage supply and provided with a socket fitting for connection to a bottle 36. To permit a dispensing of relatively large beverage portions in short times while avoiding unnecessary losses caused by a spilling of the beverage or by a degradation of susceptible beverages, each bottle 36 is provided with a tap valve and a corresponding socket fitting is provided at the inlet of the supply vessel. The measuring vessel is disposed under the bottom of the supply vessel. The uppermost portion of the measuring vessel is connected by an air duct (25) to the air space (27) disposed in the supply vessel above the liquid level (29) therein. <IMAGE>
Patent GB-2061818-A (GB)
Title: Fire blanket material
IPC: B32B7/09
Filed: 1979-10-24
Abstract: The material comprises a first, gas impermeable, layer e.g. a metallised polymer film or a metal foil, and a flame-proof second layer which is gas permeable or which, if gas impermeable, is one capable of becoming gas permeable under the effect of combustion gases of a fire. Such a layer may be constituted by a fibre felt e.g. of viscose and wool, which has been flame proofed. The two layers are secured together so that on passage of combustion gases through the second layer from the side thereof remote from the first layer, separations form between the two layers. Preferably the separations form passageways to vent the gases at the edges of a fire blanket made from the material; the area of the blanket and the heat capacity of the material being chosen so that the gases by the time they are vented are cooled to a temperature below that at which chip pan fat vapours spontaneously ignite.
Patent GB-2048403-A (GB)
Title: Internal-expanding shoe brake with a wear-compensating device
IPC: F16D65/52
Filed: 1979-10-30
Abstract: An internal-expanding shoe brake has a wear compensating device which can function efficiently throughout the temperature ranges, and consequent expansion, experienced during severe braking, since the device control rod (9) interconnecting the brake shoe flanges (2a, 3a) is provided with a portion (15) having a substantially higher coefficient of expansion than the other components of the brake, thereby permitting the control rod to expand with these components. In further embodiments (Figs. 3, 4, not shown) the control rod is in the form of telescoping tubes filled with a material with a high thermal coefficient, and (Fig. 5, not shown) a thermal connection is made between brake shoe and the control rod using copper cable. <IMAGE>
Patent GB-2037905-A (GB)
Title: Seals
IPC: F16J15/18
Filed: 1979-11-13
Abstract: A rotatable shaft 1 extends through a wall 2 and is sealed by a device 3 comprising annular inner component 5 surrounding the shaft 1 and an annular outer component 6 disposed around said inner component and positioned within a housing 4 formed in or secured to said wall. The inner and outer components are relatively rotatable and relatively capable of limited longitudinal movement parallel to longitudinal axis of the said shaft. The inner and outer components having disposed therebetween a ring 7 of packing material. The sealing faces are urged into contact either by working fluid pressure, pressure from a separate fluid, or springs. <IMAGE>
Patent GB-2050064-A (GB)
Title: Electro-static chuck
IPC: B23Q3/15
Filed: 1980-04-25
Abstract: An electrostatic chuck comprises a base formed of an oxidisable metal constituting an electrode, with the surface oxidised to form a dielectric layer. This provides a smooth hard wearing and readily reproducible surface and enables thin wafer workpieces e.g. silicon semiconductor discs, to be firmly held on the chuck. The electrode may be of Al, Ta, Ti or Si.
Patent GB-2061377-A (GB)
Title: I.C. engine fuel injection pumping systems
IPC: F02M41/14
Filed: 1980-07-21
Abstract: A fuel injection pump 13 includes a plunger 21 slidable in a bore and cams 22 on a cam ring 23 for imparting inward movement to the plunger. Fuel is supplied to the bore from a cylinder 30 by way of an adjustable throttle 28. The cylinder contains a shuttle 31 the movement of which is limited. In order to supply an extra quantity of fuel for starting purposes a valve 36 is provided which when opened allows fuel flow to the bore direct from a feed pump. Conveniently a device 29 is provided to adjust the setting of the throttle 28 when the valve 36 is open so that the quantity of fuel flowing to the plunger bore depends on engine temperature. Electrical control circuits for the throttle 28, the valve 36 and a valve 35 which prevents fuel supply to the plunger bore are described. <IMAGE>
Patent GB-2055535-A (GB)
Title: Plant supports
IPC: A01G9/12
Filed: 1980-08-05
Abstract: A plant support comprises a base arrangement 10 including a flat or spiral helix for retention in the medium in which the plant is growing, an upright 14 attached to the base arrangement and cross-pieces 16 on the upright. <IMAGE>
Patent GB-2081688-A (GB)
Title: Anticoagulant Stopper Coating
IPC: A61J1/00
Filed: 1980-08-06
Abstract: The adherence of blood cells to the closures (18) of blood collection containers (12) is prevented by coating at least that portion of the closure that may come into contact with blood in use with a binding agent such as tridodecylmethylammonium chloride and coating the binding agent with an anticoagulant such as dextran sulfate which binds to the binding agent and inhibits blood cell adhesion to the closure. A layer of a lubricant such as silicone oil can be applied to the coated closure to facilitate insertion of the closure into the container. <IMAGE>
Patent GB-2056255-A (GB)
Title: Poultry abattoir apparatus
IPC: A22C21/00
Filed: 1980-08-12
Abstract: Poultry abattoir apparatus having a central support (2) from which a plurality of rotatably supported arms (3) radiate. A multi position chicken holding carousel (4) is supported on each said arm and each carousel is caused in turn to move past a killing station, a scalding station (21), and a plucking station (14). Two or more operations may take place on different carousels but simultaneously.